Senior Software Engineer – FinTech Scale-Up with Equity

Ctrl Alt is seeking a Senior Software Engineer to join our Belfast or London team. You’ll design, build and maintain high‑performance, scalable solutions in a fast-paced scale‑up environment, shaping the future of on‑chain infrastructure in digital capital markets.

You’ll work with TypeScript/JavaScript backends, build robust RESTful APIs, and collaborate across engineering, product, and leadership to deliver impactful features with strong testing and CI/CD practices.

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